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Author

Kim, Guntae
GUNS Lab
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, metal-air batteries, ceramic membranes, PEMFC

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Engineering composite oxide SOFC anodes for efficient oxidation of methane

Cited 93 times inthomson ciCited 89 times inthomson ci
Title
Engineering composite oxide SOFC anodes for efficient oxidation of methane
Author
Kim, GuntaeCorre, G.Irvine, J. T. S.Vohs, J. M.Gorte, R. J.
Keywords
FUEL-CELLS; PEROVSKITE ANODE; HIGH-PERFORMANCE; CERMET ANODES; CATHODES; YSZ; INFILTRATION; FABRICATION; ELECTRODES
Issue Date
2008
Publisher
ELECTROCHEMICAL SOC INC
Citation
ELECTROCHEMICAL AND SOLID STATE LETTERS, v.11, no.2, pp.B16 - B19
Abstract
Ceramic anodes for solid oxide fuel cells (SOFCs) were prepared by aqueous impregnation of nitrate salts to produce composites with 45 wt % La0.8Sr0.2Cr0.5Mn0.5O3 (LSCM ) in a 65% porous yttria-stabilized zirconia (YSZ) scaffold. Scanning electron micrographs indicate that the LSCM coats the YSZ pores following calcination at 1473 K. Composites produced in this manner exhibit conductivities at 1073 K of approximately 1 S/cm in air and 0.1 S/cm in humidified H-2. A SOFC with a composite anode composed of 45 wt % LSCM, 0.5 wt % Pd, and 5 wt % ceria exhibited maximum power densities at 1073 K of 1.1 and 0.71 W cm(-2) in humidified (3% H2O) H-2 and methane, respectively.
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DOI
http://dx.doi.org/10.1149/1.2817809
ISSN
1099-0062
Appears in Collections:
ECHE_Journal Papers

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